Skillset: Golang with service mesh platform (e.g., Istio or equivalent) Experience range: 11 to 16 years

RTP's mission is to reduce operational complexity and accelerate delivery by providing secure-by-default, reliable, and standardized runtime capabilities—so teams can focus on building customer and associate experiences rather than reinventing infrastructure.
Our work underpins service-to-service communication for a large fleet of microservices and supports high-throughput, latency-sensitive workloads.

Istio or equivalent) across multi-cluster, multi-workplace deployments.
Drive design and implementation of traffic management, resiliency patterns, and secure service-to-service communication (mTLS, authZ/authN, policy).
Partner with application, SRE, security, and network teams to define standards for service connectivity, identity, and zero-trust posture.
Own performance, reliability, and scalability goals for the mesh control/data plane; Provide hands-on technical leadership for incident response, root cause analysis, and long-term remediation.
Mentor senior engineers, raise engineering rigor (design reviews, technical docs, testing strategy), and influence org-wide adoption.
12–18 years of industry experience building and operating large-scale distributed systems and platforms.

- Deep expertise in Kubernetes/container orchestration (cluster architecture, networking, upgrades, multi-cluster, RBAC, admission, controllers/operators).




- Strong hands-on experience with service mesh technologies (Istio preferred; Proficiency in at least one systems language ( Go preferred; Java/Scala/Python acceptable ) and experience building operators/controllers is a plus.
- Security (mTLS, cert management, identity, policy)
- Control plane operations and upgrade strategies
- Strong understanding of cloud-native networking (CNI, Envoy/L7 proxies, DNS, east-west traffic, gateways, load balancing).
- SRE principles, SLOs, capacity planning, and failure-mode analysis.
- Experience building platform tooling and automation (GitOps, CI/CD, Helm/Kustomize, Terraform or similar IaC).
- Deep observability experience (Prometheus/Grafana, OpenTelemetry, distributed tracing) and ability to translate telemetry into action.
- Strong security mindset (zero trust, least privilege, secret management) and experience partnering with security/compliance teams.
- Excellent communication skills—able to drive alignment across engineering orgs and influence without authority.

That's what we do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption.



People are why we innovate, and people power our innovations. We are people-led and tech-empowered.
We train our team in the skillsets of the future and bring in experts like you to help us grow. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.
Walmart's culture sets us apart, and we know being together helps us innovate, learn and grow great careers. This role is based in our [Bangalore/Chennai] office for daily work, with the flexibility for associates to manage their personal lives.
Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more.
By fostering a workplace culture where everyone is—and feels—included, everyone wins. By making Walmart a welcoming place where all people feel like they belong, we're able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.
Walmart, Inc., We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing unique styles, experiences, identities, ideas and opinions – while being inclusive of all people

📌 Tech Principal Software Engineer (Bengaluru)
🏢 Walmart Global Tech India
📍 Bengaluru